High Pitched Squeal/Whistle Noise From The Engine Compartment After Engine Shut Off – 2017-2021 Ford F-150
NHTSA ID Number: 10233745 Manufacturer Communication Number: SSM 51469 Summary Some 2021 F-150 vehicles built on or before 01-Feb-2021, 2017-2020 F-150 vehicles equipped with a 3.5L EcoBoost engine, 2018-2020 F-150 vehicles equipped with a 2.7L EcoBoost or 5.0L engine, 2019-2020 F-150 vehicles equipped with a 3.0L diesel engine may exhibit a high pitched squeal or whistle type … Read more